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glamor: avoid null dereference in glamor_dash_setup()

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Reported in https://gitlab.freedesktop.org/xorg/xserver/-/issues/1817:

xwayland-24.1.6/redhat-linux-build/../glamor/glamor_dash.c:152:10:
 warning[-Wanalyzer-null-dereference]: dereference of NULL ‘0’

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2094>
This commit is contained in:
Alan Coopersmith
2025-11-25 00:50:54 +02:00
committed by Enrico Weigelt
parent b0050ee830
commit 5d7ec3493c
1 changed files with 1 additions and 1 deletions
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2
glamor/glamor_dash.c
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@@ -151,7 +151,7 @@ glamor_dash_setup(DrawablePtr drawable, GCPtr gc)
dash_pixmap = glamor_get_dash_pixmap(gc);
dash_priv = glamor_get_pixmap_private(dash_pixmap);
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(dash_priv))
if (!dash_priv || !GLAMOR_PIXMAP_PRIV_HAS_FBO(dash_priv))
goto bail;
glamor_make_current(glamor_priv);